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  1. I run a GPX 5000 and would like to know if there would be any noticeable difference on nuggets at depth of a gram or more with the 4500. Possible back up machine. Any info appreciated.
  2. Just curious how it does on depth and sensitivity. Has anyone tested the Elite with some specimen type gold that the GPX misses but the 7000 screams on? Is anyone even running one over here? Most of the comments I see are in Australia. NF looks to also be coming out with a similar coil. I'm just curious how much and what sorts of improvements they give.
  3. Just so we all don't give up on our GPX 's here is a 49 gram piece I found 2 feet down with my 4500. It was clear and loud and a nice low high tone. I also found a 1/2 ounce flat piece 20" down with the 20" N.F. coil in an old patch. The half ouncer I hardly heard, but decided to scrap off an inch, than another and so on until I was able to identify that it was a target. So to all the people who have not traded up to the ZED, have faith that with proper coils and skill you can clean up your patched pretty good with "old " technology.
  4. It's back!! GPX4500 - brand new and at a bargain price. Now you can own the former top of the line for a great price. This and an SDC would set you back about half of what a GPZ costs. http://forums.nuggethunting.com/index.php?/topic/11573-minelab-gpx-4500-now-available-again-from-robs-detector-sales/
  5. These images are copied over from the thread at http://www.detectorprospector.com/forum/topic/818-relic-hunt-with-gpx-5000/ It is such a brilliant idea I just wanted to be sure it did not go unnoticed by people and so this thread highlights the idea. It would work well for other detectors - I have considered doing it with my Gold Bug 2. The only problem is the cost of the DEUS rod assembly, a ridiculous $264 at http://www.bigboyshobbies.net/full-xp-deus-rod-assembly
  6. I did a search on this site but couldn't find the answer. I see from Minelab's "coil chart" that the Commander coils are interchangeable between the different series of P.I. detectors SD/GP/GPX (if I am understanding the chart correctly). Does this only apply to the Commander coils? Will a nugget finder coil that is in use now on a GP3500 be compatible with a GPX 5000 as well? Thanks. Dean
  7. Have tested the GPX at an old site and picked up several pistol balls but this really was my first serious all day relic hunt with the GPX 5000, Got out for a day up in gold country, Wasn't planning on going just worked out unexpectedly getting together with a newbie in metal detecting from the area. In fact, I need to get Ray from Ca. and Lawernzo out there too hopefully soon time is against us with snakes and tall grass. With the Newbie, Had offered to help him with his detector in the future and if he was game for relic hunting lessons to give me a call, He calls me 2-3 days ago after getting permission from his wife and turns out yesterday (SAT) was perfect. So up the hill we go packed with our gear, Go over to the property owners home and introduce David to the owner. From there , Off we go into relic tertiary on the 1500 acre property. David did extremely well being his first time relic detecting, He scored four Chinese cache coins, Several pistol balls and his first powder flask top. At the time, I had picked up four cache coins too and a couple of broken pieces of Chinese coins, Several pistol balls and a few other interesting finds with the GPX 5000 using the 5"X10" DD commander coil. Before we new it was getting late, Long hike back to my pickup and as we were starting to leave he mentions let's stay longer. It's getting late and I remember finding another patch of ground 8-9 years ago from a brief sampling digging several square nails, So rather than stay and continue hunting mentioned to David of another site about 1 mile hike away and through a forest of trees was a meadow with great potential. We arrived at the meadow, Unpacked our gear and started to detect. Square nails everywhere great we're on the right ground, David is using a Whites V3 and I'm still swinging the GPX. Later, Switched over from the GPX after working the outer areas going to the Deus to work the inner area of the meadow laced with iron. When I say Laced with iron that's an understatement the inner area is thick with iron and rusted tin about 70-80% of digging was iron or rusted trash, But the new comer to relic detecting didn't care he was digging up gold rush era finds even if it was mostly iron. Somewhere between this mess of iron, got a clean signal and what popped out really surprised me. What looked like a quarter half dollar size coin was the prettiest target I've seen all day, new it was coin but what was it and based from the size it had to be foreign. From help of others on another forum, The coin is a 1793 King Louis XVI 12 Deniers France Coin 18mm and made of bronze my first bronze coin find in my career. Have to share the GPX is one dynamite PI, So glad to have made the investment it's one serious relic machine. Wanted to slap on the 11" DD but was having so much fun with the 5"X10" DD commander for this type of hunting it stayed on. Also, Have heard from several GPX users and even the manual states Coin/Relic mode will not work in mineralized soils. For some reason my 5000 has no problem it handles this poor dirt well in fact was running Gain pretty high normally between 14 to 20 Gain in Coin/Relic mode. Looking so forward to getting out more often with the GPX and my trusty ATX, Both are well worth the investment. An adventures day for sure, Got my first bronze coin in my career. HH, Paul (Ca)
  8. I'm sure this has been asked but do the serial # stickers really need to stay on the coil and detector and the ant fraud silver sticker on the bottom? I'll cover them with something if need be but it seems they'd soon be destroyed if not covered. I noticed i took a good nick out of the silver one on the bottom today and scratched the one on the coil already yesterday. good reason to get the aussi cover i guess. AjR
  9. Hearing positive stories from relic hunters using the later GPX series, Have a couple of questions one with using discrimination the other on a mono coil. Can some form of audio discrimination be heard with using no iron disc? I know increasing iron discrimination will disc out iron but if using no iron disc can a user still determine if the signal is iron or conductive in both mono or DD coil? With the Minelab 12" x 15" Semi-Elliptical Commander Monoloop Coil, Is it deeper than the same size 12"X15" Commander DD coil? and if so allot deeper or better with depth and sensitivity? Appreciate the help, Looks like the later GPX series would be great relic machines. Paul (Ca)
  10. So I was out in the goldfields of California yesterday with Steve Herschbach and another friend who is a detector dealer. We did some quick tests comparing the 5000 and the GPZ on mossy, wiry gold that we had found previously. These were pieces from both Nevada and California. The smaller of the two nuggets shown in the attached photo weighs 3 grams and with an 11 inch mono set on maximum gain of 20, it was totally invisible to the 5000 - even when it was touching the coil. The detector made no response whatsoever. The GPZ on the other hand could see it at about 10 inches, and it was dug from a pounded patch that has seen many GPX detectors (including mine) at a depth of about 6 inches. The GPZ was set for difficult soil at only 12 sensitivity. So what is the performance improvement over the 5000 when one detector is blind to the piece and the other sees it at 10 inches? Mathematically speaking, it is an infinite improvement - a whole lot more than 40%. The larger of the two pieces pictured in this post weighs 18 grams and the 5000 could see it to a maximum of about 10 inches. The GPZ could see it at 20 inches, and it was dug with the GPZ at about 18 inches. Going from 10 inches to 20 inches is a 100% improvement - double the depth of detection and also a lot more than 40%. We also tested some specimen gold Steve had with similar results - the 5000 could not see the smaller specimens of a few grams size. Of course we all know that the 5000 performs very well with more solid nuggets and specimens. I have found lots of gold with my 5000, it is an excellent detector. However, the GPZ is a gigantic improvement over the 5000 when it comes to mossy, wiry, prickly, specimen and other similar forms of gold. Some may say there is not much of this type of gold out there. I would say in response, if most of us are using detectors that perform poorly on that type of gold, how does the fact that we don't find much prove that it doesn't exist? Truth is that there is loads of specimen gold out there and I think the GPZ will be finding a lot of it in the coming weeks and months. Geologically, many of the places where the nugget gold is truly deep are locations where the patch is sitting as a residual over a vein, and having a detector optimized for specimen gold would make very good sense. Some hard rock deposits tend to produce this type of gold. Smart prospectors with GPZ detectors will be using this knowledge to their best advantage. For me, I have been doing research to find places which produce this type of gold and I intend to be using the coming months to leverage this performance increase to the greatest extent.
  11. Hello all I have been using my gpx 5000 for a while now and am under the impression the auto tune was to handle emi. After reading some of the posts I am confused. I am reading the 5000 is not good at handling emi. Can anyone explain this to me? Thank you
  12. Hi Steve, I am very new at metal detecting and have been wanting a gpx 5000 since they came out. Go to buy one and there is a new kid on the block. I'm Planning on detecting old mine sites and tailings in Virginia. Price is not an issue, but I cannot afford two, I really like the folding up to backpack size and waterproof sdc 2300, but still want to buy the best detector for what I am doing. I have read all your articles and thank you for taking the time to share your experience. I have only used a very cheap Tesoro and would value your opinion as to purchasing a sdc 2300 for simplicity or Gpx 5000 and learning all the different settings. I know you said if you only had 1 detector it would be a gpx 5000 and am leaning towards that. Thank you for your time.
  13. Does anyone ever use the coin /relic setting on the gpx5000? Just curious. I use the 5000 for gold only. The only use for it I could see would be dealing with black sands on a beach.
  14. Is the Coiltek Lightweight Elliptical Goldstalker Mono Searchcoils 24 x 14 or the nugget finder 24 x 14 a better big coil i will be use in the desert of az i am still new to gpx 5000 trying to find the right one the first time and are big coil a good idea is a smaller coil better
  15. I just purchased a SDC 2300 and own a GPX 5000. Have not taken the sdc 2300 out yet due to snow and work. But was wondering how many detectorists here go detecting on salt? Lakes, Beaches or Ocean area's? Do you have any success ? I never seem to ever hear of anyone finding gold in these area's. But Minelab makes settings for them.
  16. I want to make a external battery set up for my GPX 5000. I already have the correct 7200 MAH LiPo battery. I purchased an external headphone amp from Jonathon Porter. (JP) What I'm having trouble finding is the 5 pin male CB Microphone plug. And after I find one, how do I wire it from the LiPo Battery . I have Deans plugs and wire to go the 5 pin. But the battery has a + and a - , the 5 pin has (of course) 5 pins. So which pins do I wire to. I don't want to fry my GPX 5000. Any input appreciated.
  17. been camping in az for over three weeks and have pulled out 46 nuggets for about 3/4 ounce cleaning up old areas but my 4500 went down over a week ago and had to send it in, the repair center is less than an hour from me but I can't even get a return call from them to know what is wrong, the man that used to run their center in Vegas was good, so far I am not impressed with the new centers customer service, hopefully they will restore my faith with a reasonable repair this week, I have been using a 2200d with a Joey for the last several trips and although I still pulled out 10 nuggets, it is a real challenge changing machines when you have hunted with the same one for at least five years. As soon as I get my machine back I will be ready to start prospecting new areas, Rich Lampright is heading this way, hope to see you Steve, there is a lot of water damage in the Bradshaws. Been looking at a Whites TDI for a backup, not sure if they are a good machine, any input is appreciated
  18. When I was big in coin hunting most of the time I used a small coil. One reason was you had less trash under the coil and the ID work better. Another reason that small coil would detect the very small coin are gold ring. I knew I loss depth but I'd come back with the large coil to punch down deeper. We all know a small coil will detect the very small and it will detect something larger if in the ranger of the coil. The small and large coil has a limit in relation to the power of the detector. I can take the GPX 5000 and put a small coil to detect the small gold. Now I got the small coil with the power of the GPX. Then I can pull it off and go with the big one for the depth but loose the very small gold. Remember small coil small gold and large coil will detect some small gold with more depth over all. The SDC 2300 has shown it's hot for the very small gold and it's going to detect other gold in the range of that 8 inch coil. This detector has to have the power but is limited by the size of the coil on depth. Again it's small coil small gold and in the case of the SDC very small gold. My thinking on the SDC 2300 is only limited by it's coil.Now if I could change out the coil for a larger one could it be near the GPX 5000. I think Minelab has a detector in the SDC 2300 that is so near being a GPX 5000. In having the coil on the SDC 2300 hard wired will keep the sales up on for both. detectors. Oh if I could only put another coil on the SDC 2300. Then I just may save me two thousand dollars buying the SDC. but right now Minelab will keep us in the dark on this subject. Here we are with a GPX that I can get a small coil to detect the very small gold. It's not a lot of trouble to change from one coil to another. I can get a lower shaft for the smaller coil and that's makes it less trouble Oh the SDC is new it's blue and I fell in love with this new blue toy. Ha I can't blame you if you go get a SDC 2300. What's not to love in a new blue toy and waterproof. Chuck Anders PS I'm sorry to repeat myself at times. That's the way life is after you go over a few hills. HaHa
  19. Yesterday I took Calgeologist out to my claim for a few pointers on his new to him GPX5000. I think he had already memorized the owners manual and read everything he could from a few forums. That made it easy as there was not much more for me to do. I had him hook up an external speaker and walked with him for advice on various targets and sounds. He chose to use the Commander 12x15 Mono, a bit of an overkill but he did not have any smaller mono coils in his arsenal. After awhile I let him go on his own and started my own hunt. An hour later he came up to me and asked for some help, by then I had switched to my new GB Pro after beating the skunk away with the GPX. He told me he had gotten a target out of his dig hole and asked me if I could help end his frustration and point it out for him. He pointed to the spot he figured it was and bingo the GB said he was correct. I got a mild signal and had the target in my scoop. It gave a nice signal on the front sensitive portion of his monster coil and when I spotted his target after a few cuts I was totally blown away... I mean it was unbelievable. He found a small birdshot a few inches deep. He was hunting in sharp timing, slow motion and I think quiet with the gain set higher than factory setting. Can't remember his gain setting for sure. Just amazing the sensitivity of that coil...... and he did not even have it in Fine Gold timing! If some one told me they could find birdshot with that coil I would be pulling on my extra high Bshort boots! I also think nuggets are in serious trouble when he gets a bit more experience under his belt.
  20. Hey all, Just got my hands on a 5000 and took it out for a spin today. I have one question. Are targets going to always have the high low sound? Or will some have a single sound (high or low)? I was getting quite a few subtle single tone sounds. I figured they were just hot areas, but they had the same kind of sound a good target on my GMT would have. The obvious answer would be to dig all of them, but I was also learning how to pinpoint with a larger coil and some of these sounds got lost when digging. Thank you!
  21. Not a big deal but I pass on news when I see it. Minelab is now packaging some popular options along with the GPX 5000 which might be a good deal for anyone who actually wants those extra items. The Minelab GPX 5000 at MAP (minimum advertised price) of $5795 includes: • GPX 5000 • Harness • Headphones • 11" Monoloop Coil • 11" Double D Coil • Battery and battery cable The Minelab GPX 5000 Pro Pack for MAP $5975 ($180 more) also includes: • 15" x 12" Monoloop Coil • Lower Shaft (spare) • PRO-FIND 25 Pinpointer • GPX Coil Wear Kit • GPX Armrest Wear Kit • Minelab Carry Bag The 15" x 12" mono coil is a great accessory coil that by itself has a MAP of $366 so this really is a good deal if you were planning on getting these items anyway. I have a GPX 5000 already but if I was getting a new one this would be the package I would get. Any dealer offered free stuff would be on top of this so look out for anyone trying to tell you they are tossing this stuff in to make the sale.
  22. I have been seriously considering purchasing a new GPX 4800 at the current reduced price. Seems like a good deal to me. Almost a 5000 for $1800 less. I have also been reading some good reports on the ATX's smooth operation and ability to find small nuggets. I know not to expect the ATX to compare to a 4800/5000, but it is roughly $1850 less than the special price 4800. What am I going to get for my $1850 if I buy the 4800 instead of the ATX? More depth? Is that basically it? Maybe knowing I have the best available detector (or close) is worth $1850. That may be my answer. I'd appreciate any comments
  23. My first PI was the SD2000 which I had modified. My second PI was the GP3000. And now my current PI is the GPX5000 Below are my results for my total nugget haul so far : The SD2000M found 7.3% of the total with an average weight of 3.25 grams. The GP3000 found 28% of the total with an average weight of 2.13 grams. The GPX5000 found 64.6% of the total with an average weight of 1.18 grams
  24. I have added a new page with various charts and tables about how to select the proper timings on the Minelab GPX 4000, 4500, 4800, and 5000 model detectors. There is also a set of quick links to owners manuals and more. I have enhanced the charts with excerpts from the manuals where possible and will tweak this page as I have time. If anybody has any tips to add they would be appreciated by myself and others, I am sure. Minelab GPX 4000-5000 Manuals & Timings Charts
  25. ATX, TDI, GPX. What is it with detector companies and three letter acronyms? I liked it more when they were called Coinmaster or Goldmaster. At least that gave you a clue about what the detector was supposed to do. The three detectors representing the state of the art in ground balancing pulse induction (GBPI) metal detectors. The Garrett ATX, White's TDI, and Minelab GPX 5000. You rarely see them all pictured together so I thought I would post one. Garrett ATX, White's TDI, Minelab GPX 5000 These three detectors are all very good at what they are basically made for, which is dealing with ground mineralization and hot rocks that make using VLF detectors very difficult. In particular VLF performance is severely impeded in extremely mineralized ground. In low mineral ground a good VLF prospecting detector running in all metal mode can deliver results rivaling PI detectors with the added benefit of having good discrimination options. Anybody doing much prospecting, however, will eventually run into locations where ground mineralization and hot rocks makes using a VLF such a challenge that a good ground balancing pulse induction detector is the only real option. The GPX 5000 represents the current state of the art, and is the easy option if money is no object. It is well designed for long hours of prospecting, has an incredible variety of optional coils, and can handle most any ground conditions with many tuning options. The Garrett ATX provides performance that comes close to the GPX at a much lower price, with the added benefit of being waterproof to ten feet. Actually, this is only a benefit if you need it. Otherwise it makes the detector heavier than need be and limits the available coil options. Still, if the GPX is not an option the ATX would be my next choice in a new detector with a warranty. For those needed waterproof it is the only real option along with its predecessor, the Garrett Infinium. The White's TDI is an older design but still very capable. It costs less than the other two options, and unlike the Garrett it has light weight versions and models that can be hip or chest mounted. It is a good option to explore for those on a budget or needing the most ergonomic solution. The TDI is also a very respected beach detector, like the ATX above, but it has no waterproof option.
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